diff --git a/src/Model/BoundaryCondition/BoundaryCondition.py b/src/Model/BoundaryCondition/BoundaryCondition.py
index fd62afe9..452fdd65 100644
--- a/src/Model/BoundaryCondition/BoundaryCondition.py
+++ b/src/Model/BoundaryCondition/BoundaryCondition.py
@@ -128,7 +128,8 @@ class BoundaryCondition(SQLSubModel):
 
             bc.node = None
             if row[3] != -1:
-                bc.node = next(filter(lambda n: n.id == row[3], data["nodes"]))
+                bc.node = next(filter(lambda n: n.id == row[3], data["nodes"]),
+                               None)
 
             values = execute(
                 "SELECT ind, data0, data1 FROM boundary_condition_data " +
diff --git a/src/Model/BoundaryConditionsAdisTS/BoundaryConditionAdisTS.py b/src/Model/BoundaryConditionsAdisTS/BoundaryConditionAdisTS.py
index 313ad430..ed957137 100644
--- a/src/Model/BoundaryConditionsAdisTS/BoundaryConditionAdisTS.py
+++ b/src/Model/BoundaryConditionsAdisTS/BoundaryConditionAdisTS.py
@@ -106,8 +106,13 @@ class BoundaryConditionAdisTS(SQLSubModel):
 
                 bc.node = None
                 if row[3] != -1:
-                    bc.node = next(filter(
-                        lambda n: n.id == row[3], data["nodes"])).id
+                    tmp = next(filter(
+                        lambda n: n.id == row[3], data["nodes"]),
+                        None)
+                    if tmp != None:
+                        bc.node = tmp.id
+                    else:
+                        bc.node = -1
 
                 values = execute(
                     "SELECT data0, data1 FROM " +
diff --git a/src/View/BoundaryConditionsAdisTS/Table.py b/src/View/BoundaryConditionsAdisTS/Table.py
index b0676a67..e5554256 100644
--- a/src/View/BoundaryConditionsAdisTS/Table.py
+++ b/src/View/BoundaryConditionsAdisTS/Table.py
@@ -146,7 +146,12 @@ class TableModel(PamhyrTableModel):
             n = data[row].node
             if n is None:
                 return self._trad["not_associated"]
-            return next(filter(lambda x: x.id == n, self._data._nodes)).name
+            tmp = next(filter(lambda x: x.id == n, self._data._nodes),
+                        None)
+            if tmp != None:
+                return tmp.name
+            else:
+                return self._trad["not_associated"]
         elif self._headers[column] == "pol":
             n = data[row].pollutant
             if n is None or n == "not_associated" or n == "":